How to convert US time to Indian time

CREATE PROCEDURE [dbo].[usp_production report]   
@fromdate  datetime,  
@todate datetime,  
@Process varchar(10),  
@intSearch char(1)  
AS  
Begin  
  
 IF @Process='a' and @intSearch='1'  
  Begin  
   SELECT     
     Convert(Varchar,[Receipt Date],101) AS [Receipt Date]  
    ,[Process]  
    ,[UIN]  
    ,[Image No.]  
    ,[Image Page Count]  
    ,[User Name]  
    ,Convert(varchar,[End Time],101) AS [Production Date],CONVERT(VARCHAR(8) 
    , [Start Time] , 108) AS [Start Time],CONVERT(VARCHAR(8) 
    , [End Time] , 108) AS [End Time]    ,[Time Taken]  
    ,[Vendor Name],[Vendor ID],[Address ID]  
    ,[Contact Employee],[Timekeeper ID]  
    ,[Invoice No],[Voucher No],replace(CONVERT(VARCHAR(8) , [Invoice Date] , 10),'-','') AS [Invoice Date]  
    ,[Total Amount],[Currency],[Taxes]  
    ,[State],[PO Number]  
    ,CASE [Status]  
     WHEN 0 THEN 'UnAllocated'  
     WHEN 1 THEN 'Allocated/Ready'  
     WHEN 2 THEN 'InProcess'  
     WHEN 21 THEN 'Query Raised'  
     WHEN 3 THEN 'Completed'  
     ELSE  
     'UNKNOWN'  
     END AS [Status]  
    ,[Reason Code],[Notes]  
    ,[Production Counter]  
   FROM   
    vw_s_View_Production_Report  
   WHERE    
    ( [Receipt Date]>=@fromdate and [Receipt Date]<=@todate) order by [Receipt Date]  
  End  
 Else if @Process='b'  and @intSearch='1'  
  Begin  
   SELECT     
     Convert(Varchar,[Receipt Date],101) AS [Receipt Date]  
    ,[Process]  
    ,[UIN]  
    ,[Image No.]  
    ,[Image Page Count]  
    ,[User Name]  
    ,Convert(varchar,[End Time],101) AS [Production Date],CONVERT(VARCHAR(8) , [Start Time] , 108) AS [Start Time],CONVERT(VARCHAR(8) , [End Time] , 108) AS [End Time],[Time Taken]  
    ,[Vendor Name],[Vendor ID],[Address ID]  
    ,[Contact Employee],[Timekeeper ID]  
    ,[Invoice No],[Voucher No],replace(CONVERT(VARCHAR(8) , [Invoice Date] , 10),'-','') AS [Invoice Date]  
    ,[Total Amount],[Currency],[Taxes]  
    ,[State],[PO Number]  
    ,CASE [Status]  
     WHEN 0 THEN 'UnAllocated'  
     WHEN 1 THEN 'Allocated/Ready'  
     WHEN 2 THEN 'InProcess'  
     WHEN 21 THEN 'Query Raised'  
     WHEN 3 THEN 'Completed'  
     ELSE  
     'UNKNOWN'  
     END AS [Status]  
    ,[Reason Code],[Notes]  
    ,[Production Counter]  
   FROM   
    vw_DEQC_View_Production_Report  
   WHERE    
     ( [Receipt Date]>=@fromdate and [Receipt Date]<=@todate and Process=@Process)  order by [Receipt Date]  
  End  
     
End